I have often thought that some weapon upgrades were not worth the number of points you needed and so that’s why I made this mod. With these different requirements, you will have fully upgraded all of your guns by about ½ to ¾ of the campaign and have mastered some of them too. The way I
changed the requirements are :

1 point = useless or might as well not be there
3 points = useful but not essential
6 points = essential
 
I think this kind of thing is very personal to each player and so if you want to change any of these values, see the instructions below :
 
1) Open the zip file
2) Go to “gameresources\generated\decls\perkgroups\perkgroups\weapons”
3) Open the .decl file you want to edit with ‘notepad’, e.g. ‘shotgun.decl’
4) Find the line ‘ modUpgradeCost = { ’
5) Change the numbers next to the items, e.g. ‘item[0] = 3;’

(You can see which weapon mod this changes by looking up in the text file, e.g. above the first ‘modUpgradeCost’ for ‘shotgun.decl’ are details for ‘pop_rocket’ – which is, of course, for the sticky bombs. I have also added notes to tell you which upgrade is which, e.g. the first ‘modUpgradeCost’ for ‘shotgun.decl’ has two upgrades and they are as follows :

‘ item[0] = 3; // faster recharge ’
‘ item[1] = 3; // bigger boom - orig = 6 ’

Everything past the ‘ // ‘ are my comments.
Make sure you include ‘ ; ’ after the number when you have changed it.)
 
See below for all my changes :
 
Shotgun
          Sticky bomb
Faster recharge = 3
Bigger boom = 3
          Auto
Faster recovery = 1
Faster charge = 1
Increased movement = 1
 
Heavy cannon
          Precision bolt       
Faster movement = 3
Faster reload = 3
          Mini-missiles
Faster recharge = 1
Faster charge = 3
Buff primary fire = 2
 
Plasma rifle
          Heat blast
Less delay for primary fire = 3
Faster charge = 3
          Microwave beam
Faster charge = 3
Greater range = 3
 
Rocket launcher
          Remote detonation
Proximity flare (has anyone actually used this?) = 1
Concussive blast = 3
          Lock on
Faster recovery = 3
Faster lock on = 6
 
Super shotgun
          Faster meathook reload = 3
          Faster shot reload = 6
 
Ballista
          Arbalest
Faster movement = 3
Bigger boom = 3
          Blade
Falter blast = 3
Faster charge = 3
 
Chaingun
          Turret
Faster charge = 6
Faster movement = 3
          Shield
Faster recharge = 3
Dash smash = 3